How many movies have Takuya Kanayama and Tsutomu Ishigaki collaborated on?

They have worked on 2 movies together! Their first movie together was Case Closed: Zero the Enforcer (2018) while their highest rated movie together was Case Closed: The Fist of Blue Sapphire (2019). They have not worked together since Case Closed: The Fist of Blue Sapphire (2019).